fwbackupsで/にRestoreしたいのですが、エラーが出ます。

おはようございます。お世話になります。
fwbackupsで/にRestoreしたいのですが、エラーが出ます。

bash
112月 14 01:54:32 :: INFO : Starting restore operation
212月 14 01:54:32 :: WARNING : You do not have read and write permissions on the destination `/' - if you backed up system files, this operation may fail.
312月 14 01:54:32 :: ERROR : Error(s) occurred while restoring certain files or folders.
4Please check the traceback below to determine if any files are incomplete or missing.
512月 14 01:54:32 :: ERROR : Traceback: Traceback (most recent call last):
6  File "/usr/lib/python2.7/dist-packages/fwbackups/operations/restore.py", line 150, in start
7    fh.extractall(encode(self.options['Destination']))
8  File "/usr/lib/python2.7/tarfile.py", line 2081, in extractall
9    self.extract(tarinfo, path)
10  File "/usr/lib/python2.7/tarfile.py", line 2118, in extract
11    self._extract_member(tarinfo, os.path.join(path, tarinfo.name))
12  File "/usr/lib/python2.7/tarfile.py", line 2202, in _extract_member
13    self.makelink(tarinfo, targetpath)
14  File "/usr/lib/python2.7/tarfile.py", line 2279, in makelink
15    os.unlink(targetpath)
16OSError: [Errno 13] 許可がありません: '/bin'
17
1812月 14 01:54:32 :: INFO : Finished restore operation
1912月 14 01:54:32 :: INFO : Canceling the current operation!